The hidden attribute is a boolean attribute. When present, it specifies that an element is not yet, or is no longer, relevant. Browsers should not display elements that have the hidden attribute specified.
There are two paragraphs listed below, one that is visible and one that is hidden. Use the browser inspector to view the hidden paragraph:
This paragraph should be hidden.
This is a visible paragraph.
Toggle to Show Hidden Elements
You have displayed the hidden text!